Algol Location of β Persei (circled) Observation data EpochJ2000 EquinoxJ2000 Constellation Perseus Right ascension 03h08m10.13245s[1] Declination +40° 57′ 20.3280″[1] Apparent magnitude (V) 2.12[2](- 3.39[3]) Characteristics Spectral type Aa1: B8V[4] See more Algol /ˈælɡɒl/, designated Beta Persei (β Persei, abbreviated Beta Per, β Per), known colloquially as the Demon Star, is a bright multiple star in the constellation of Perseus and one of the first non-nova variable stars to … See more An ancient Egyptian calendar of lucky and unlucky days composed some 3,200 years ago is said to be the oldest historical documentation of the discovery of Algol. The association of Algol with a demon-like creature (Gorgon in the Greek tradition, ghoul in … See more Beta Persei is the star's Bayer designation. The name Algol derives from Arabic رأس الغول raʾs al-ghūl : head (raʾs) of the ogre (al-ghūl) (see " See more • Jaana Toivari-Viitala, egyptologist who contributed to understanding Ancient Egypt and the star See more Algol is a multiple-star system with three confirmed and two suspected stellar components. From the point of view of the Earth, Algol Aa1 and Algol Aa2 form an eclipsing binary because … See more Historically, the star has received a strong association with bloody violence across a wide variety of cultures. In the Tetrabiblos, the 2nd-century … See more • "Algol 3". SolStation. Retrieved 31 July 2006. • "4C02517". ARICNS. 4 March 1998. Archived from the original on 10 February 2006. Retrieved 31 July 2006. See more WebGood comparison stars are Gamma Andromedae to Algol's west, magnitude 2.1, and Epsilon Persei to its east, magnitude 2.9. Sky & Telescope The star Algol (β Persei) …
Solved The apparent and absolute magnitudes of four stars - Chegg
http://www.astropixels.com/stars/Algol-01.html WebApr 13, 2024 · The mean average carbon footprint of products used for carpal tunnel decompression was 12.0 kg CO 2 e (carbon dioxide equivalents); 11.7 kg CO 2 e for … 卵 プリンレシピ 人気
Algol (β Persei) Facts, Information, History & Definition
WebUse the Period-Luminosity relationship to determine the absolute magnitude. Use the inverse-square law to calculate how far a star of that absolute magnitude would have to … WebAlgol is a bright eclipsing binary system located in the northern constellation of Perseus and one of the best-known variable stars in the sky. Often referred to as the "Demon Star", most of the time it shines at magnitude +2.1 but every two days, 20 hours and 49 minutes it suddenly dips in brightness to mag. +3.4, remaining dim for about 10 hours before … WebJan 25, 2015 · Algol Magnitude ( Apparent / Absolute ) A number represents a star’s magnitude, whether apparent/visual or absolute. The smaller the number, the brighter … 卵 プリン 固め